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> Date: Mon, 5 May 2008 15:06:14 -0400
>> Maybe something to knaw on..
>
> I've often wished I could tether my openbsd box on my blackberry. I'm
> wondering how hard it would be. I know there has been work to make
> other mobile devices work as a modem. My 8820 is a workhorse for me
> and this would be great to have.
> Brandon

Agreed.

The difficulty is, that Tethered mode has a variety of methods depending on
the carrier.

Under Windows, Tethered GSM blackberries are seen as Dial-up Networking
devices, and provide Internet access by dialling a unique phone number to
attach to data.
The SIM card data is used for the authentication.

Tethered CDMA (1xEVDO) blackberries use a companion piece of software (Bell
Voyageur / Mobile Connect) to provide the Status/Gateway for the same setup.


Either way, You could use a USB sniffer to do line monitoring to figure out
the setup/connection bits. But this would need to be done for all variants of
Blackberries, and a base threshold of what tethered devices can work, and
which will work, and those that won't.

Likewise, this has to be done for a large amount of Carriers to establish
common connection parameters, and Carrier Specific Parameters.


As it is, My Data Plan limits me to only using the BB in tethered mode for
very short periods of time. Until the Jesus Phone is in Canada, and
Competition for Data rates are seen, I'm simply going to stick to Windows for
connectivity, keep a FAT32 partition handy, and move data accordingly for when
I am doing oBSD bits on my laptop. The sole reason for which, is the Bell
Voyageur software shows the data transfer totals and I can keep within my
limits, otherwise I go wireline with a 56K modem, where data rates are closer
to reasonable.

-sean
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